Alloy forging
ASTM A182 F11 Cl 2 — chemistry & properties
ASTM A182 F11 Cl 2 (Alloy forging, UNS K11572): chemical composition and mechanical properties. 1¼Cr-½Mo steam / high-temperature service
Chemical composition (wt %)
| C | 0.1 – 0.2 |
| Mn | 0.3 – 0.8 |
| P | ≤ 0.04 |
| S | ≤ 0.04 |
| Si | 0.5 – 1 |
| Cr | 1 – 1.5 |
| Mo | 0.44 – 0.65 |
Mechanical properties
| Tensile strength, min | 485 MPa |
| Yield strength, min | 275 MPa |
| Elongation, min | 20 % |